#pragma once

#include <iostream>

#define Die(code)   \
    do              \
    {               \
        exit(code); \
    } while (0)

#define CONV(v) (struct sockaddr *)(v)  

enum 
{
    USAGE_ERR = 1,
    SOCKET_ERR,
    BIND_ERR,
    LISTEN_ERR,
    EPOLL_CREATE_ERR,
    EPOLL_CTL_ERR
};

const int gdefaultsockfd = -1;
const int gbacklog = 8;

// 1. 正常字符串 2. out空串&&返回值是true  3. out空串&&返回值是flase
bool ParseOneLine(std::string str, std::string *out, const std::string Sep)
{
    auto pos = str.find(Sep);
    if(pos == std::string::npos)    return false;
    *out = str.substr(0, pos);
    str.erase(0, pos + Sep.size());
    return true;
}

bool SplitString(const std::string &header, const std::string &HeaderLineSep, std::string *key, std::string *value)
{
    auto pos = header.find(HeaderLineSep);
    if(pos == std::string::npos)    return false;
    *key = header.substr(0, pos);
    *value = header.substr(pos + HeaderLineSep.size());
    return true;
}